Organization and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 25, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Customers as Percentage of Total Revenues

The Company’s most significant customers (having accounted for 10% or more of revenues) and their related revenues as a percentage of total revenues were as follows:  

	Three Months Ended						Six Months Ended
	June 25,			June 26,			June 25,			June 26,
	2021			2020			2021			2020
Lam Research Corporation		38.3	%		39.6	%		41.6	%		42.0	%
Applied Materials, Inc.		24.1	%		25.8	%		23.9	%		24.7	%
Total		62.4	%		65.4	%		65.5	%		66.7	%